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Add a lexer for emails #1567

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merged 7 commits into from
Oct 13, 2020
Merged

Add a lexer for emails #1567

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bd45692
Add a lexer for emails
smokris Jul 22, 2020
fbf5ab9
Use separate states for header and body text. Add support for RFC 28…
smokris Jul 22, 2020
ce9d980
Remove unnecessary `/m`s.
smokris Jul 22, 2020
9a5486d
Add colon into subject line of visual sample
pyrmont Jul 23, 2020
b88a9eb
Match RFC specifications more closely
pyrmont Jul 23, 2020
98c03dc
Add support for quoted lines
pyrmont Sep 8, 2020
bd87220
Add newline matching
pyrmont Sep 8, 2020
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Remove unnecessary /ms.
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@smokris
smokris committed Jul 22, 2020
commit ce9d9802699ae1a3ee0c6a6e27ede1b07f600d6f
10 changes: 5 additions & 5 deletions lib/rouge/lexers/email.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -25,19 +25,19 @@ def self.detect?(text)
rule %r/^Date:\s/, Keyword, :date
rule %r/^Subject:\s/, Keyword, :subject
rule %r/^[A-Z][A-Za-z0-9-]+:\s/, Keyword, :other_header
rule %r/\n/m, Text::Whitespace, :pop!
rule %r/\n/, Text::Whitespace, :pop!
end

state :root do
rule %r/\n/m, Text::Whitespace
rule %r/\n/, Text::Whitespace
rule %r/^>.*$/, Comment
rule %r/^--\s\n/m, Comment::Doc, :signature
rule %r/^--\s\n/, Comment::Doc, :signature
rule %r/.*$/, Text
end

state :header_line_and_continuation do
rule %r/\n(?=[^ \t])/m, Text::Whitespace, :pop!
rule %r/\n/m, Text::Whitespace
rule %r/\n(?=[^ \t])/, Text::Whitespace, :pop!
rule %r/\n/, Text::Whitespace
end

state :address do
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